Osceola Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Areal Flood Warning
Issued: 10:18 PM CDT Jun. 20, 2018 – National Weather Service

The National Weather Service in Sioux Falls has issued a

* Flood Warning for...
eastern Lyon County in northwestern Iowa...
Osceola County in northwestern Iowa...
Dickinson County in northwestern Iowa...
northeastern Sioux County in northwestern Iowa...
Clay County in northwestern Iowa...
O'Brien County in northwestern Iowa...
eastern Rock County in southwestern Minnesota...
Jackson County in southwestern Minnesota...
Nobles County in southwestern Minnesota...

* until 1015 PM CDT Thursday.

* At 1012 PM CDT, emergency management in O'Brien County reported
heavy rain with water over some roads and flooded homes in
Hartley. Broadcast media also reports parts of Highway 18 in
O'Brien and western Clay County are under water. Two to three
inches of rain have already fallen.

* Some locations that will experience flooding include...
Worthington, Spencer Iowa, Sheldon, Spirit Lake, Jackson
Minnesota, Sibley, Milford, Lakefield, Hartley, Sanborn, Adrian,
Arnolds Park, Lake Park, George, Bergen, Primghar, Okoboji, Heron
Lake, Sutherland and Orleans.

Additional rainfall amounts of around an inch are possible in the
warned area through midday Thursday.

Precautionary/preparedness actions...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Please report flooding to your local law enforcement agency when you
can do so safely.


Lat... Lon 4350 9491 4292 9492 4291 9533 4310 9581
      4338 9604 4383 9607 4384 9486 4350 9486


Jh


Flash Flood Watch
Issued: 2:24 PM CDT Jun. 20, 2018 – National Weather Service

... Flash Flood Watch remains in effect through Thursday morning...

The Flash Flood Watch continues for

* portions of Iowa, northeast Nebraska, and southeast South
Dakota, including the following areas, in Iowa, Buena Vista,
Cherokee, Clay IA, Dickinson, Ida, Lyon IA, O'Brien, Osceola,
Plymouth, Sioux, and Woodbury. In northeast Nebraska, Dakota
and Dixon. In southeast South Dakota, Bon Homme, Clay SD,
Hutchinson, Lincoln SD, Turner, Union, and Yankton.

* Through Thursday morning

* rain is ongoing and will continue through Thursday. This
afternoon, isolated thunderstorm activity will bring an
increased risk for excessive rainfall through the early
overnight hours of Thursday. Rainfall totals by Thursday morning
may range from 1 inch to as many as 4 or more inches.

* This long duration rainfall event will bring an increased risk
for river and stream flooding, especially in areas that have
recently received heavy rainfall this week. Flash flooding
will be possible, especially in thunderstorms, where rainfall
rates will be much higher.

Precautionary/preparedness actions...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.




Flash Flood Watch
Issued: 2:24 PM CDT Jun. 20, 2018 – National Weather Service

... Flash Flood Watch remains in effect through Thursday morning...

The Flash Flood Watch continues for

* portions of Iowa, northeast Nebraska, and southeast South
Dakota, including the following areas, in Iowa, Buena Vista,
Cherokee, Clay IA, Dickinson, Ida, Lyon IA, O'Brien, Osceola,
Plymouth, Sioux, and Woodbury. In northeast Nebraska, Dakota
and Dixon. In southeast South Dakota, Bon Homme, Clay SD,
Hutchinson, Lincoln SD, Turner, Union, and Yankton.

* Through Thursday morning

* rain is ongoing and will continue through Thursday. This
afternoon, isolated thunderstorm activity will bring an
increased risk for excessive rainfall through the early
overnight hours of Thursday. Rainfall totals by Thursday morning
may range from 1 inch to as many as 4 or more inches.

* This long duration rainfall event will bring an increased risk
for river and stream flooding, especially in areas that have
recently received heavy rainfall this week. Flash flooding
will be possible, especially in thunderstorms, where rainfall
rates will be much higher.

Precautionary/preparedness actions...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.




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